package gui.buttons;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.AbstractButton;
import javax.swing.BorderFactory;
import javax.swing.plaf.basic.BasicButtonUI;

@SuppressWarnings("serial")
public class TabCloseButton extends ISButton {
    public TabCloseButton() {
	int size = 17;
	setPreferredSize(new Dimension(size, size));
	setToolTipText("close this tab");
	// Make the button looks the same for all Laf's
	setUI(new BasicButtonUI());
	// Make it transparent
	setContentAreaFilled(false);
	// No need to be focusable
	setFocusable(false);
	setBorder(BorderFactory.createEtchedBorder());
	setBorderPainted(false);
	// Making nice rollover effect
	// we use the same listener for all buttons
	addMouseListener(buttonMouseListener);
	setRolloverEnabled(true);
    }

    // we don't want to update UI for this button
    public void updateUI() {
    }

    // paint the cross
    protected void paintComponent(Graphics g) {
	super.paintComponent(g);
	Graphics2D g2 = (Graphics2D) g.create();
	// shift the image for pressed buttons
	if (getModel().isPressed()) {
	    g2.translate(1, 1);
	}
	g2.setStroke(new BasicStroke(2));
	g2.setColor(Color.BLACK);
	if (getModel().isRollover()) {
	    g2.setColor(Color.MAGENTA);
	}
	int delta = 6;
	g2.drawLine(delta, delta, getWidth() - delta - 1, getHeight() - delta
		- 1);
	g2.drawLine(getWidth() - delta - 1, delta, delta, getHeight() - delta
		- 1);
	g2.dispose();

    }

    private final static MouseListener buttonMouseListener = new MouseAdapter() {
	public void mouseEntered(MouseEvent e) {
	    Component component = e.getComponent();
	    if (component instanceof AbstractButton) {
		AbstractButton button = (AbstractButton) component;
		button.setBorderPainted(true);
	    }
	}

	public void mouseExited(MouseEvent e) {
	    Component component = e.getComponent();
	    if (component instanceof AbstractButton) {
		AbstractButton button = (AbstractButton) component;
		button.setBorderPainted(false);
	    }
	}
    };
}